Margaretha ALBERS b. 7 Dec. 1846

I am reseaching this woman: Margaretha Dorothea Elizabeth ALBERS b, 7 Dec. 1846 in Germany. Husband was John Putensen b. Oct. 1834 in Germany. John came to America in 1859. This couple raised children (William & John) in Ida co. Iowa.Son John's wife was Clara Alvena Holmes. Anyone out there have any more info on these folks? Thanks: Scott